Warmonger
/ˈwɔːrmɑːŋɡər/
Definition 1 of 1
Pro Tip 1/3Negative Connotation
Warmonger has a very negative meaning, suggesting harmful intentions towards peace. 
The activist's speech condemned the leader as a warmonger.
Pro Tip 2/3Political Context
Often used in political discussions to criticize leaders or governments seeking conflict. 
The senator was labeled a warmonger after voting for military intervention.
Pro Tip 3/3Not Literal
Doesn't always mean physically starting wars; can refer to spreading conflict through words or propaganda. 
His warmongering speeches incited violence in the region.